Home / 36,285.25-54,427.88-12,911.76

Finding the Fourth Proportional to 36,285.25, 54,427.88 and 12,911.76

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Solution

The fourth proportional to 36,285.25, 54,427.88 and 12,911.76 is: 19,367.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,285.25 : 54,427.88 = 12,911.76 : x
  2. Step 2: Convert to fraction form
    36,285.25/54,427.88 = 12,911.76/x
  3. Step 3: Cross multiply
    36,285.25x = 54,427.88 × 12,911.76
  4. Step 4: Simplify right side
    36,285.25x = 702,759,723.87
  5. Step 5: Solve for x
    x = 702,759,723.87/36,285.25
  6. Step 6: Final answer
    x = 19,367.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.